6CF4
Segment NFGTFS, with familial mutation A315T and phosphorylated threonine, from the low complexity domain of TDP-43, residues 312-317
ELECTRON CRYSTALLOGRAPHY
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | Batch | 7.5 | 310 | 1X PBS 7.5 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 23.65 | α = 90 |
b = 4.72 | β = 90 |
c = 30.06 | γ = 90 |
Symmetry | |
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Space Group | P 21 21 21 |
Diffraction
Diffraction Experiment | ||||||||||||||
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ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
1 | 1 | 100 | CMOS | TVIPS F416 CMOS CAMERA | 2018-01-09 |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | TRANSMISSION ELECTRON MICROSCOPE | TECNAI F20 TEM | 0.0251 |
Data Collection
Overall | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (Observed) | Rrim I (All) | CC (Half) | Net I Over Average Sigma (I) | Redundancy | Number Reflections (All) | Number Reflections (Observed) | Observed Criterion Sigma (F) | Observed Criterion Sigma (I) | B (Isotropic) From Wilson Plot | ||||||
1 | 0.75 | 7.645 | 86.6 | 0.172 | 0.203 | 0.989 | 3.9 | 3.804 | 4177 | 40.55 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | Rrim I (All) | CC (Half) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | |||||||||
1 | 0.75 | 0.77 | 87.2 | 0.661 | 0.757 | 0.599 | 1.28 | 4.01 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation method | Resolution (High) | Resolution (Low) | Cut-off Sigma (F) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (Observed) | R-Work | R-Free | Mean Isotropic B | |||||||
ELECTRON CRYSTALLOGRAPHY | THROUGHOUT | 0.75 | 7.645 | 1.38 | 4178 | 428 | 86.77 | 0.2346 | 0.2324 | 0.2512 | 12.108 |
Temperature Factor Modeling | ||||||
---|---|---|---|---|---|---|
Anisotropic B[1][1] | Anisotropic B[1][2] | Anisotropic B[1][3] | Anisotropic B[2][2] | Anisotropic B[2][3] | Anisotropic B[3][3] | |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
f_dihedral_angle_d | 32.5 |
f_angle_d | 2.042 |
f_chiral_restr | 0.11 |
f_bond_d | 0.021 |
f_plane_restr | 0.008 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 52 |
Nucleic Acid Atoms | |
Solvent Atoms | 1 |
Heterogen Atoms |
Software
Software | |
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Software Name | Purpose |
XDS | data reduction |
XSCALE | data scaling |
PHENIX | refinement |
PDB_EXTRACT | data extraction |
Sample |
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crystal of NFGTFS phosphorylated on threonine. |
Specimen Preparation | |
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Sample Aggregation State | 3D ARRAY |
Vitrification Instrument | FEI VITROBOT MARK IV |
Cryogen Name | ETHANE |
Sample Vitrification Details |
3D Reconstruction | |
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Reconstruction Method | CRYSTALLOGRAPHY |
Number of Particles | |
Reported Resolution (Å) | |
Resolution Method | DIFFRACTION PATTERN/LAYERLINES |
Other Details | Density map was obtained using measured diffraction intensities and phases acquired from a crystallographic direct methods program, shelxd. |
Refinement Type | |
Symmetry Type | 3D CRYSTAL |
Space Group Name | |
Length a | 23.65 |
Length b | 4.72 |
Length c | 4.72 |
Angle Alpha | 90 |
Angle Beta | 90 |
Angle Gamma | 90 |
Map-Model Fitting and Refinement | |||||
---|---|---|---|---|---|
Id | 1 | ||||
Refinement Space | RECIPROCAL | ||||
Refinement Protocol | OTHER | ||||
Refinement Target | maximum likihood | ||||
Overall B Value | 19.6 | ||||
Fitting Procedure | |||||
Details |
Data Acquisition | |||||||||
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Detector Type | TVIPS TEMCAM-F416 (4k x 4k) | ||||||||
Electron Dose (electrons/Å**2) | 0.01 |
Imaging Experiment | 1 |
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Date of Experiment | |
Temperature (Kelvin) | |
Microscope Model | FEI TECNAI F20 |
Minimum Defocus (nm) | |
Maximum Defocus (nm) | |
Minimum Tilt Angle (degrees) | |
Maximum Tilt Angle (degrees) | |
Nominal CS | |
Imaging Mode | DIFFRACTION |
Specimen Holder Model | GATAN 626 SINGLE TILT LIQUID NITROGEN CRYO TRANSFER HOLDER |
Nominal Magnification | |
Calibrated Magnification | |
Source | FIELD EMISSION GUN |
Acceleration Voltage (kV) | 200 |
Imaging Details |
EM Software | ||
---|---|---|
Task | Software Package | Version |
IMAGE ACQUISITION | EM-Menu | |
MODEL FITTING | Coot | |
RECONSTRUCTION | SHELXD | 2013/2 |
MODEL REFINEMENT | PHENIX |
Image Processing | ||||
---|---|---|---|---|
CTF Correction Type | CTF Correction Details | Number of Particles Selected | Particle Selection Details | |
NONE |